Angle positioning device for FA fiber array grinding

Abstract

The utility model relates to the field of optical fiber array discloses a kind of angle positioning device for FA optical fiber array grinding, including the substrate of optical fiber array grinding positioning, the top of the substrate is fixedly connected with top plate, the bottom of the top plate is provided with cover plate, the bottom of the cover plate is provided with multiple upper V grooves.The utility model has the following advantages and effects: by the setting of two half silk rods, extrusion spring and threaded sleeve, when positioning and fixing, two half silk rods are close to each other and separate from the thread connection of threaded sleeve, at this time, the cover plate can be pushed down, so that the upper V groove and the optical fiber abut, loosen half two silk rods, under the elastic force of extrusion spring, two half silk rods are outwardly moved and threaded sleeve is threadedly connected, tighten threaded sleeve, so that two half silk rods drive the cover plate to move downward and press down the optical fiber, so that the fixation of optical fiber is more convenient and efficient, and threaded sleeve can be locked, improve the stability of installation.

Description

Technical Field

[0001] This utility model relates to the field of fiber optic array technology, and in particular to an angle positioning device for polishing FA fiber optic arrays. Background Technology

[0002] Fiber optic arrays (FAs) utilize V-grooves to mount a single optical fiber or a fiber ribbon onto an array substrate. The exposed fiber portion, after the fiber coating has been removed, is placed in the V-groove, pressed by a pressure plate, and bonded with adhesive. At the front end, the fiber is precisely positioned, its end face is polished, and finally coupled and docked with a PLC chip. Angle positioning in FA fiber optic arrays is often achieved using a positioning chuck, with the first substrate placed on the chuck for angle positioning.

[0003] A search revealed a Chinese patent (CN210499751U) for an angle positioning device for polishing FA fiber arrays. The device includes a first substrate and a positioning chuck. The first substrate is mounted on the positioning chuck. Multiple symmetrically spaced V-shaped grooves are formed on the surface of the first substrate. An optical fiber ribbon is placed within each V-shaped groove, with a gap between the lower end of the optical fiber ribbon and the bottom of the V-shaped groove. A fastening assembly for securing the optical fiber ribbon is provided on the first substrate. This fastening assembly includes a lead screw, a cover plate, and a nut. Symmetrically symmetrically formed through holes are provided on the surface of the first substrate, and a nut that threads with the lead screw is fixed within each through hole. The cover plate is fixed to one end of the lead screw and can abut against the optical fiber ribbon. A bearing is provided at the connection between the cover plate and the lead screw.

[0004] However, the aforementioned angle positioning device for FA fiber array polishing has some shortcomings. The method of positioning and fixing the fiber by moving the cover plate downward with a screw is time-consuming and labor-intensive because the cover plate and the substrate have a relatively wide gap. This is because the screw needs to be rotated many times to move the cover plate downward and make contact with the fiber for positioning and fixing. Furthermore, since the screw is not locked, it is easy for it to loosen under shaking, which affects the firmness of the positioning and fixing. Therefore, we propose an angle positioning device for FA fiber array polishing to solve the above problems. Utility Model Content

[0005] The purpose of this invention is to provide an angle positioning device for FA fiber array polishing. It features two half-screws, a compression spring, and a threaded sleeve, allowing for adjustable spacing between the two half-screws. When fixed in position, the two half-screws can be brought closer together and disengaged from the threaded sleeve. At this point, the cover plate can be pushed downwards, causing the upper V-groove to abut against the optical fiber. After abutment, the two half-screws are released, and under the elastic force of the compression spring, they are threadedly connected to the threaded sleeve. Finally, the threaded sleeve is tightened, causing the two half-screws to move the cover plate downwards to press down and fix the optical fiber. This makes fixing the optical fiber more convenient and efficient. Furthermore, after positioning, the threaded sleeve can be locked, improving the stability of the installation.

[0006] The above-mentioned technical objective of this utility model is achieved through the following technical solution: an angle positioning device for FA fiber array polishing, comprising a substrate for fiber array polishing positioning, a top plate fixedly connected to the top of the substrate, a cover plate disposed below the top plate, a plurality of upper V-grooves opened at the bottom of the cover plate, a plurality of lower V-grooves opened at the top of the substrate, the lower V-grooves corresponding to the upper V-grooves, a downward positioning mechanism disposed between the top plate and the cover plate, the downward positioning mechanism comprising a locking component and a spacing adjustment component.

[0007] A further feature of this invention is that the downward positioning mechanism includes a threaded sleeve rotatably connected to the top of the top plate. Two half-screws are threadedly fitted inside the threaded sleeve. Limiting plates are provided at the top ends of the two half-screws, and connecting plates are provided at the bottom ends of the two half-screws. The connecting plates are fixedly connected to the top of the cover plate. The locking assembly is located between the threaded sleeve and the top plate. The spacing adjustment assembly is located between the two half-screws, the limiting plates, and the connecting plates. The spacing adjustment assembly includes sliders, compression springs, and guide rods. Sliding grooves are provided on the sides of the connecting plates and the limiting plates that are close to each other. The guide rods are fixedly connected to the inner walls of both sides of the sliding grooves. Four sliders are fixedly connected to the upper and lower ends of the corresponding half-screws. Two compression springs are fixedly connected between the corresponding two sliders. Two guide plates are fixedly connected between the limiting plate and the cover plate, and both guide plates are slidably fitted inside the top plate.

[0008] By adopting the above technical solution, the optical fiber to be placed is placed in the lower V-groove of the substrate. The two half-screws are pressed inward, so that the two half-screws approach each other without engaging with the threaded sleeve, thus not locking the two half-screws, the limiting plate, the guide plate, and the cover plate. Then, the operator presses the limiting plate to the right, causing the limiting plate and the cover plate to move downward as a whole, so that the optical fiber is inserted into the upper and lower V-grooves for limiting and positioning. Then, the two half-screws are released. At this time, under the elastic force of the compression spring, the two half-screws move outward and engage with the threaded sleeve. Then, by rotating the threaded sleeve through two rotating handles, under the guidance of the guide plate, the rotation of the threaded sleeve will drive the two half-screws, the connecting plate, and the cover plate to move downward, and fix the optical fiber in the upper and lower V-grooves for locking. This makes the angle positioning and fixing of the optical fiber more convenient and efficient.

[0009] The present invention is further configured such that: four sliders are respectively slidably sleeved in the corresponding grooves, four sliders are respectively slidably sleeved on the outside of the corresponding guide rods, and two compression springs are respectively sleeved on the outside of the corresponding guide rods.

[0010] By adopting the above technical solution, it is convenient to guide the slider and the compression spring, making their movement more stable.

[0011] A further feature of this invention is that a bearing is fixedly sleeved inside the top plate, a threaded sleeve is fixedly sleeved inside the inner ring of the bearing, and two rotating handles are fixedly connected to the outer side of the threaded sleeve.

[0012] By adopting the above technical solution, the threaded sleeve can be rotated easily and can be supported to make its rotation more stable.

[0013] A further feature of this invention is that the locking assembly includes two ear plates, which are fixedly connected to the outside of the threaded sleeve. A threaded rod is threadedly connected to the top of the ear plates, and a support foot is fixedly connected to the bottom of the threaded rod. An anti-slip pad is fixedly connected to the bottom of the support foot, and both anti-slip pads are movably abutting against the top of the top plate. A handwheel is fixedly connected to the top of the threaded rod.

[0014] By adopting the above technical solution, after positioning is completed, in order to ensure the firmness of the installation, the threaded rod is rotated by handwheel. The threaded rod drives the support foot and anti-slip pad to move down and firmly abut against the top of the top plate, thereby providing stable support and fixing for the ear plate and threaded sleeve, avoiding deflection that would affect the stability of the fiber positioning and fixing.

[0015] A further feature of this invention is that an upper rubber pad is fixedly connected inside the upper V-groove, and a lower rubber pad is fixedly sleeved inside the lower V-groove.

[0016] By adopting the above technical solution, the stability of fiber optic angle positioning is improved, and the fiber optic cable can be buffered to avoid damage.

[0017] A further feature of this invention is that four pillars are fixedly connected to the top of the substrate, and the top plate is fixedly connected to the top of the four pillars.

[0018] By adopting the above technical solution, it is convenient to support and fix the top plate.

[0019] The beneficial effects of this utility model are:

[0020] 1. In this utility model, the optical fiber to be placed is placed in the lower V-groove opened in the substrate, and the two half-screws are pressed inward so that the two half-screws are close to each other without engaging with the threaded sleeve, thus not locking the two half-screws, the limiting plate, the guide plate and the cover plate. Then, the operator presses the limiting plate to the right, so that the limiting plate and the cover plate move down as a whole, so that the optical fiber is inserted into the upper and lower V-grooves for limiting and positioning.

[0021] 2. In this invention, the two half-screws are released. At this time, under the elastic force of the compression spring, the two half-screws move outward and engage with the threaded sleeve. Then, by rotating the threaded sleeve through the two rotating handles, under the guidance of the guide plate, the rotation of the threaded sleeve will drive the two half-screws, the connecting plate and the cover plate to move downward, and make the optical fiber locked in the upper and lower V grooves, making the angle positioning and fixing of the optical fiber more convenient and efficient.

[0022] 3. After positioning is completed, in order to ensure the firmness of the installation, the threaded rod is rotated by handwheel. The threaded rod drives the support foot and anti-slip pad to move down and firmly abut against the top of the top plate. This can stably support and fix the ear plate and threaded sleeve, and prevent deflection from affecting the stability of the fiber positioning and fixing. Attached Figure Description

[0023] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0024] Figure 1 This is a schematic diagram of the structure of an angle positioning device for FA fiber array polishing proposed in this utility model;

[0025] Figure 2 This is a partial cross-sectional view of an angle positioning device for polishing FA fiber arrays proposed in this utility model;

[0026] Figure 3 for Figure 2 A schematic diagram of the structure of part A;

[0027] Figure 4 for Figure 2 A schematic diagram of the structure of part B.

[0028] In the diagram, 1. Base plate; 2. Column; 3. Top plate; 4. Lower positioning mechanism; 5. Spacing adjustment assembly; 6. Locking assembly; 7. Lower V-groove; 8. Lower rubber pad; 9. Cover plate; 10. Upper V-groove; 11. Upper rubber pad; 41. Guide plate; 42. Limiting plate; 43. Half lead screw; 44. Threaded sleeve; 45. Bearing; 46. Rotating handle; 51. Connecting plate; 52. Guide rod; 53. Slide groove; 54. Slider; 55. Compression spring; 61. Ear plate; 62. Handwheel; 63. Threaded rod; 64. Support foot; 65. Anti-slip pad. Detailed Implementation

[0029] The technical solution of this utility model will now be clearly and completely described with reference to specific embodiments. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0030] See Figure 1 — Figure 4 This utility model provides an angle positioning device for FA fiber array polishing, including a base plate 1 for fiber array polishing positioning. A top plate 3 is fixedly connected to the top of the base plate 1, and a cover plate 9 is provided below the top plate 3. Multiple upper V-grooves 10 are opened at the bottom of the cover plate 9, and multiple lower V-grooves 7 are opened at the top of the base plate 1. The lower V-grooves 7 correspond to the upper V-grooves 10. A downward positioning mechanism 4 is provided between the top plate 3 and the cover plate 9. The downward positioning mechanism 4 includes a locking component and a spacing adjustment component.

[0031] Specifically, the lower positioning mechanism 4 also includes a threaded sleeve 44 rotatably connected to the top of the top plate 3. Two half-screws 43 are threaded inside the threaded sleeve 44. A limit plate 42 is provided at the top of the two half-screws 43, and a connecting plate 51 is provided at the bottom of the two half-screws 43. The connecting plate 51 is fixedly connected to the top of the cover plate 9. A locking component is provided between the threaded sleeve 44 and the top plate 3, and a spacing adjustment component is provided between the two half-screws 43, the limit plate 42, and the connecting plate 51.

[0032] Specifically, the spacing adjustment assembly includes sliders 54, compression springs 55, and guide rods 52. The connecting plate 51 and the limiting plate 42 are both provided with grooves 53 on their respective sides. The guide rods 52 are fixedly connected to the inner walls of both sides of the grooves 53. The four sliders 54 are respectively fixedly connected to the upper and lower ends of the corresponding half-screws 43, and the two compression springs 55 are respectively fixedly connected between the corresponding two sliders 54.

[0033] Specifically, the four sliders 54 are respectively slidably fitted into the corresponding grooves 53, and the four sliders 54 are respectively slidably fitted into the outer side of the corresponding guide rods 52.

[0034] Specifically, two compression springs 55 are respectively sleeved on the outside of the corresponding guide rods 52.

[0035] Specifically, a bearing 45 is fixedly sleeved inside the top plate 3, and a threaded sleeve 44 is fixedly sleeved inside the inner ring of the bearing 45. Two rotating handles 46 are fixedly connected to the outer side of the threaded sleeve 44.

[0036] Specifically, two guide plates 41 are fixedly connected between the limiting plate 42 and the cover plate 9, and both guide plates 41 are slidably sleeved inside the top plate 3.

[0037] Specifically, the locking assembly includes two ear plates 61, which are fixedly connected to the outside of the threaded sleeve 44. A threaded rod 63 is threadedly connected to the top of the ear plate 61, and a support foot 64 is fixedly connected to the bottom of the threaded rod 63. An anti-slip pad 65 is fixedly connected to the bottom of the support foot 64. Both anti-slip pads 65 are movably abutting against the top of the top plate 3. A handwheel 62 is fixedly connected to the top of the threaded rod 63.

[0038] Specifically, an upper rubber pad 11 is fixedly connected inside the upper V-groove 10, and a lower rubber pad 8 is fixedly sleeved inside the lower V-groove 7.

[0039] Specifically, four pillars 2 are fixedly connected to the top of the base plate 1, and the top plate 3 is fixedly connected to the top of the four pillars 2.

[0040] In use, the optical fiber is placed in the lower V-groove 7 of the substrate 1. The two half-screws 43 are pressed inwards, bringing them closer together without engaging with the threaded sleeve 44. This prevents the two half-screws 43, the limiting plate 42, the guide plate 41, and the cover plate 9 from locking. Then, the operator presses the limiting plate 42 to the right, causing it and the cover plate 9 to move downwards, allowing the optical fiber to be inserted into the upper and lower V-grooves for positioning. The two half-screws 43 are then released. Under the force of the compression spring 55, the two half-screws 43 move outwards and engage with the threaded sleeve 44. By rotating the threaded sleeve 44 through two rotations 46, under the guidance of the guide plate 41, the rotation of the threaded sleeve 44 will drive the two half-screws 43, the connecting plate 51 and the cover plate 9 to move down, and make the optical fiber locked in the upper and lower V grooves. This makes the angle positioning and fixing of the optical fiber more convenient and efficient. After positioning, in order to ensure the firmness of the installation, the threaded rod 63 is rotated by the handwheel 62. The threaded rod 63 drives the support foot 64 and the anti-slip pad 65 to move down and firmly abut against the top of the top plate 3. This can stably support and fix the ear plate 61 and the threaded sleeve 44, and prevent deflection from affecting the stability of the optical fiber positioning and fixing.

Claims

1. An angle positioning device for polishing FA fiber arrays, characterized in that, The substrate (1) for fiber array polishing and positioning is provided. A top plate (3) is fixedly connected to the top of the substrate (1). A cover plate (9) is provided below the top plate (3). Multiple upper V-grooves (10) are opened at the bottom of the cover plate (9). Multiple lower V-grooves (7) are opened at the top of the substrate (1). The lower V-grooves (7) correspond to the upper V-grooves (10). A downward positioning mechanism (4) is provided between the top plate (3) and the cover plate (9). The downward positioning mechanism (4) includes a locking component and a spacing adjustment component. The downward positioning mechanism (4) further includes a threaded sleeve (44) rotatably connected to the top of the top plate (3). Two half-screws (43) are threaded inside the threaded sleeve (44). A limit plate (42) is provided at the top of the two half-screws (43), and a connecting plate (51) is provided at the bottom of the two half-screws (43). The connecting plate (51) is fixedly connected to the top of the cover plate (9). The locking component is located between the threaded sleeve (44) and the top plate (3). The spacing adjustment component is located between the two half-screws (43), the limit plate (42), and the connecting plate (51). The spacing adjustment assembly includes sliders (54), compression springs (55) and guide rods (52). The connecting plate (51) and the limiting plate (42) are provided with grooves (53) on the side that are close to each other. The guide rods (52) are fixedly connected to the inner walls of both sides of the grooves (53). The four sliders (54) are fixedly connected to the upper and lower ends of the corresponding half screws (43) respectively. The two compression springs (55) are fixedly connected between the corresponding two sliders (54).

2. The angle positioning device for FA fiber array polishing according to claim 1, characterized in that: The four sliders (54) are respectively slidably fitted in the corresponding grooves (53), and the four sliders (54) are respectively slidably fitted on the outside of the corresponding guide rods (52).

3. The angle positioning device for FA fiber array polishing according to claim 1, characterized in that: Two compression springs (55) are respectively sleeved on the outside of the corresponding guide rods (52).

4. The angle positioning device for FA fiber array polishing according to claim 1, characterized in that: The top plate (3) is fixedly fitted with a bearing (45), and the threaded sleeve (44) is fixedly fitted inside the inner ring of the bearing (45). Two rotating handles (46) are fixedly connected to the outer side of the threaded sleeve (44).

5. The angle positioning device for FA fiber array polishing according to claim 1, characterized in that: Two guide plates (41) are fixedly connected between the limiting plate (42) and the cover plate (9), and both guide plates (41) are slidably sleeved in the top plate (3).

6. The angle positioning device for FA fiber array polishing according to claim 1, characterized in that: The locking assembly includes two ear plates (61), which are fixedly connected to the outside of the threaded sleeve (44). The top of the ear plate (61) is threadedly connected to a threaded rod (63), and the bottom end of the threaded rod (63) is fixedly connected to a support foot (64). The bottom of the support foot (64) is fixedly connected to an anti-slip pad (65). Both anti-slip pads (65) are movably abutting against the top of the top plate (3). The top end of the threaded rod (63) is fixedly connected to a handwheel (62).

7. The angle positioning device for FA fiber array polishing according to claim 1, characterized in that: An upper rubber pad (11) is fixedly connected inside the upper V-groove (10), and a lower rubber pad (8) is fixedly sleeved inside the lower V-groove (7).

8. The angle positioning device for FA fiber array polishing according to claim 1, characterized in that: The base plate (1) is fixedly connected to four columns (2) at the top, and the top plate (3) is fixedly connected to the top of the four columns (2).

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